Question

How is the last sentence of the article, ???Some of the things I have seen I am quite familiar with, and some I am not," an appropriate development of the article's ideas at that point?

Answer 1

The answer is that it restates the main idea: that Edison made many older inventions that led to newer, less familiar ones.

Answer 2

Answer: it restates the main idea: that Edison made many older inventions that led to newer, less familiar ones.

Explanation: